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Videos
The Romans plowed over the city of Carthage and sowed salt into the soil
Did the Romans really sow the lands of Carthage with salt?
labor camp barracks
Several labor camps were established in the communist Eastern Bloc, the existence of which was...
Ladybug
The seven-spot ladybug is probably the most best-known of all the ladybirds. Its conspicuous...
Air transportation
Air transportation has become the fastest, most reliable and most popular form of travel.
airplane
Since the advent of air travel, huge distances can be covered fast; today any part of the world...
gray wolf
The domestication of the wolf began more than 10000 years ago. After humans, it is the most...
Air transportation
Air transportation has become the fastest and most reliable way of traveling. Thanks to air...
The dangers of aluminum production
The use of bauxite, which is first processed into alumina and then into aluminum, can be harmful.
Public transportation
Public transportation is an indispensable service in big cities. There are means of...
Sound localization
Sound localization is an important element in orientation. A sound reaches the ear closest to it...
Narrow-gage railway
Narrow-gage railways can be great fun on an excursion. As they chug along, they provide a great...
Archimedes’ principle with gasses
Is there a difference between the weight of a plastic bottle filled with air and the weight of a...
Hungarian gray cattle
This gray, robust cattle breed with characteristic long and curved horns is indigenous to Hungary.
archeological excavation
In archeology, excavation is the exposure, processing and recording of archeological finds.
Cosmic calendar
If we compressed all the time that has ever passed into a year, how would the history of the...
Beyond the lightbulb and the electric outlet
Have you ever given any thought to the origins of the energy your computer or TV uses?
What is the resolution of the human eye?
Is the resolution of our eye comparable to that of today’s top quality films? What is the actual...
